#include <iostream>
#include "gtest/gtest.h"
#include <unordered_map>

class MyEnvironment: public testing::Environment
{
    public:
        virtual void SetUp() override
        {
            std::cout<<"单元测试前的环境初始化！\n"<<std::endl;
        }
        virtual void TearDown() override
        {
            std::cout<<"单元测试执行后的环境清理\n"<<std::endl;
        }
    private:
};

TEST(MyEnvironment,test1)
{
    std::cout<<"单元测试1\n";
}

TEST(MyEnvironment,test2)
{
    std::cout<<"单元测试2\n";
}

std::unordered_map<std::string,std::string> mymap;
class MapTest:public testing::Environment
{
     public:
        virtual void SetUp() override
        {
            std::cout<<"单元测试前的环境初始化！\n"<<std::endl;
            mymap.insert(std::make_pair("hello","你好"));
            mymap.insert(std::make_pair("bye","再见"));
        }
        virtual void TearDown() override
        {
            std::cout<<"单元测试执行后的环境清理\n"<<std::endl;
            mymap.clear();
        }
};
TEST(MapTest,test1)
{
   ASSERT_EQ(mymap.size(),2);
   mymap.erase("hello");
}

TEST(MapTest,test2)
{
    ASSERT_EQ(mymap.size(),2);
}
int main(int argc,char*argv[])
{
    testing::InitGoogleTest(&argc,argv);
    testing::AddGlobalTestEnvironment(new MyEnvironment);
    testing::AddGlobalTestEnvironment(new MapTest);
    RUN_ALL_TESTS();
    return 0;
}

